Home / 22,497.66-31,045.40-13,548.06

Finding the Fourth Proportional to 22,497.66, 31,045.40 and 13,548.06

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Solution

The fourth proportional to 22,497.66, 31,045.40 and 13,548.06 is: 18,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.66 : 31,045.40 = 13,548.06 : x
  2. Step 2: Convert to fraction form
    22,497.66/31,045.40 = 13,548.06/x
  3. Step 3: Cross multiply
    22,497.66x = 31,045.40 × 13,548.06
  4. Step 4: Simplify right side
    22,497.66x = 420,604,941.92
  5. Step 5: Solve for x
    x = 420,604,941.92/22,497.66
  6. Step 6: Final answer
    x = 18,695.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.